Keyboard brush



FIG. 1 is a perspective view of a keyboard brush showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a perspective view thereof with the padded portion retracted for one position of use; and,

FIG. 9 is a perspective view thereof with a bristled portion retracted for another position of use.

The broken-line showing in the drawings is for environmental purposes and forms no part of the claimed invention. 

The ornamental design for a keyboard brush, as shown and described. 